The Faka-Union Fire in Picayune Strand State Forest has grown to 7,500 acres and is 50 percent contained as of Thursday evening.

The eastern Collier County brush fire had grown to 6,958 acres and was 70 percent contained Wednesday.

Florida Highway Patrol is monitoring adjacent U.S. 41 and State Road 29 for now in case road closures are necessary because of smoke, said Samantha Quinn, a wildfire mitigation specialist with the Caloosahatchee Forestry Center.